HomeServicesBlogDictionariesContactSpanish Course
Home › Dictionary › English › HCO
← Back to search

Meaning of HCO | Babel Free

Noun CEFR C2

Definitions

  1. Initialism of Harvard College Observatory.
    abbreviation, alt-of, initialism
  2. Initialism of hearing carryover, a service or device that allows speech-disabled users with hearing to listen to the person they are calling.
    abbreviation, alt-of, initialism

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

HCOL HCP HCQ HCQS HCR HCSM

Learn this word in context

See HCO used in real conversations inside our free language course.

Start Free Course

Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free